Bosch Rexroth | A10VSO18DR31R-PKC62K40
A10VSO18DR/31R-PKC62K40
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The A10VSO18DR/31R-PKC62K40 pump belongs to the A10VSO Variable Pumps series and is manufactured by Bosch Rexroth for hydraulic automation that requires adjustable output. Its displacement of 18 cm³ per revolution sets the delivered volume relative to swashplate angle, allowing circuit designers to match actuator demands. At 1,800 rpm it supplies 32 L/min, providing a predictable baseline for medium-flow systems. The nominal speed of 3,300 rpm establishes a reference for sizing prime movers while keeping internal loads within limits. A parallel keyed shaft transmits torque without slippage so standard keyed couplings can be used. Clockwise rotation aligns with common engine orientation, simplifying direct drive layouts. The ISO 3019-1 two-hole mounting flange enables quick interchange with pumps sharing the same pattern. A 9/16-18 UNF-2B drain port thread offers a convenient return path for case leakage.
The pump operates at a nominal pressure of 280 bar and withstands up to 350 bar, giving a margin for pressure spikes in mobile or industrial machinery. When driven to its nominal speed limit the flow rises to 59 L/min, supporting high-demand functions. A maximum speed rating of 3,900 rpm permits use on fast-running engines. Shaft loading reaches 80 Nm at 280 bar, information required for checking coupling capacity. The suction connection is a 1 in SAE port under ISO 6162-1, while the pressure outlet is a 3/4 in SAE port under the same standard, enabling straightforward tube fitting selection. Control signals enter through a 7/16-20 UNF-2B pilot port that keeps low-flow control oil separate from the main circuit. Total mass with through drive is 13.8 kg, allowing single-person handling during installation or service.
Technical Specifications
Direction Of Rotation
Clockwise (R)
Displacement
18 cm3/rev
Drain Port Thread
9/16-18 UNF-2B
Drive Shaft Type
Parallel Keyed Shaft (K)
Flow @ 1800 Rpm
32 L/min
Max Flow @ Nominal Speed
59 L/min
Max Permissible Speed
3900 rpm
Max Torque @ 280 Bar
80 Nm
Maximum Pressure
350 bar
Mounting Flange
ISO 3019-1 2-Hole
Nominal Pressure
280 bar
Nominal Speed @ Vg Max
3300 rpm
Pilot Port Thread
7/16-20 UNF-2B
Pressure Port Size
3/4 in SAE (ISO 6162-1)
Suction Port Size
1 in SAE (ISO 6162-1)
Weight With Through Drive
13.8 kg
1620 Old Apex Road
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